Clinical epidemiology :
Fletcher, Robert H.
Clinical epidemiology : - 2nd ed. - Baltimore : Williams & Wilkins, 1988. - xiii, 246 p. ill.
0683032518 (pbk.)
Clinical epidemiology.
Epidemiologic Methods.
MED RA652.2. / C55F57
Clinical epidemiology : - 2nd ed. - Baltimore : Williams & Wilkins, 1988. - xiii, 246 p. ill.
0683032518 (pbk.)
Clinical epidemiology.
Epidemiologic Methods.
MED RA652.2. / C55F57